@article{PismaZhETF.88.339,
    title = {$f(R)$ cosmology from $q$--theory},
    author = {Klinkhamer, F. R. and Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {88},
    issue = {5},
    pages = {339},
    year = {2008},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28194.shtml},
}